You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or
API help for more information.
<?xml version="1.0"?>
<api>
<query>
<pages>
<page pageid="1" ns="0" title="Main Page">
<revisions>
<rev user="Robe" timestamp="2011-11-22T13:35:33Z" comment="locked down new account creation" />
<rev user="Robe" timestamp="2011-11-22T13:29:58Z" comment="Undo revision 1979 by [[Special:Contributions/Leroygwmcc|Leroygwmcc]] ([[User talk:Leroygwmcc|talk]])" />
<rev user="Leroygwmcc" timestamp="2011-11-19T09:42:16Z" />
<rev user="Ch" timestamp="2007-11-01T03:32:41Z" />
<rev user="Fanopanic" timestamp="2006-06-06T12:24:46Z" />
</revisions>
</page>
</pages>
</query>
<query-continue>
<revisions rvstartid="1572" />
</query-continue>
</api>